Why does California still observe daylight saving?

During the 2018 General Election, California voters approved Proposition 7, which would allow the state legislature to get rid of daylight saving time with a two-thirds vote, as long as it was consistent with federal law, according to the Official Voter Guide in 2018.

The proposition passed with a 59.7% yes vote, according to the California Secretary of State.  

Despite voters approving the measure, there has been no change to daylight saving in California, as state lawmakers have not passed and legislation to get rid of it.

Assemblymember Kansen Chu, D-San Jose, submitted Assembly Bill 7 in 2019, which would eliminate the biannual clock change in the state and observe daylight saving time year-round. However, the bill was stalled by a committe in 2020.

https://fox40.com/news/california-connection/why-does-california-still-change-clocks-4-years-after-voters-approved-daylight-saving-proposition/